Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed in the process.

Front

Do all chemical changes require an enzyme?

Back

No, chemical changes can occur without enzymes.

Front

What are carbohydrates commonly referred to as on nutrition labels?

Back

Sugar.

Front

What is the active site of an enzyme?

Back

The region on the enzyme where substrate molecules bind and undergo a chemical reaction.

Front

Which macromolecule serves as long-term stored energy?

Back

Lipids/Fats.

Front

What are enzymes made of?

Back

Proteins.

Front

What is the role of enzymes in biological reactions?

Back

To lower the activation energy required for the reaction to occur.

Front

What is a substrate in the context of enzymes?

Back

The reactant molecule that an enzyme acts upon.

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.

Front

What are nucleic acids?

Back

Macromolecules that store and transmit genetic information, such as DNA and RNA.